PIE Model 334Plus Automated mA Loop Calibrator PIECAL 334Plus PIECAL-334Plus PIECAL334Plus

PIE Model 334Plus
Automated mA Loop Calibrator

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PIE Model 334Plus
Automated mA Loop Calibrator

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PIE 334Plus

Datasheet

Features:

Automatic Stepping & Ramping
Current Leakage Detector
Backlit Five Digit Display
Built-In 250 Ohm HART Resistor
Rubber Boot & Rugged Switches
Calibrated on equipment traceable to NIST and includes a Certificate of Calibration
Test Data is available for an additional charge
Engineered by previous Altek employees that produced the original Altek Model 334 and Altek Model 334A

Description

The Piecal 334Plus builds on the Piecal 334 with advanced features unique to PIE calibrators. Easily find current leaks to gound, deteriorating & damp insulation or corroded terminals with patented loop diagnostic technology (US Patent # 7,248,058). Automated stepping (2, 3 or 5 steps) and ramping lets you set the 334Plus at one instrument and check any other point in the loop.

Get better calibrations with a five digit display to 20.000 mA. You can read the display in dim conditions with the built-in backlight. Additional improvements over 334s from other manufacturers include better long term stability, accuracy, reliability & ruggedness plus improved battery life.

PLUS the 334Plus exceeds the performance of many higher cost calibrators to meet today's most demanding requirements while maintaining the familiar, time proven reliability and ease of use of similar calibrators like the Altek 334 & 334A. The PIECAL 334Plus is the new milliamp calibrator standard!

Easily troubleshoot loop problems with patented loop diagnostic technology!

Problem Indicated

PIECAL 334Plus powers the loop with Current Leakage Detector. Current (0.28 mA) is leaking around the control element due to incorrect grounding, corrosion or moisture.

Problem Found & Corrected!

Moisture was found in unsealed juntion box. Loop is operating replacement or recalibration. Hours of troubleshooting saved!

Recently calibrated two-wire transmitter controlling at 12.000 mA. Control room reports “Loop Out of Tolerance.”

Practical Instrument Electronics recommends a calibration interval of one year. Contact your local representative for recalibration and repair services.

Models, Options, & Accessories

Model

Description

List Price

Sale Price

334Plus

Automated mA Loop Calibrator

$795.00

$755.25

334

4-20 mA Loop Calibrator

$725.00

$688.75

Model

Accessories

List Price

Sale Price

020-0100

AC Adaptor for models 530 & 532 (230V, 50Hz)

$40.00

$38.00

020-0101

AC Adaptor for models 530 & 532 (120V, 60Hz)

$40.00

$38.00

020-0103

NiMh Charger for Models 535 (120V, 60 Hz)

$45.00

$42.75

Specifications

General
Operating Temperature Range	-20 to 60 °C (-5 to 140 °F)
Storage Temperature Range	-30 to 60 °C (-22 to 140 °F)
Relative Humidity Range	10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing 10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing
Size	L=5.63 x W=3.00 x H=1.60 inches
Weight	12.1 ounces (including boot & batteries)
Batteries	Four “AA” Alkaline 1.5V (LR6)
Optional AC Adaptors	120 VAC 50/60 Hz [Part # 020-0100] 240 VAC 50/60 Hz [Part # 020-0101]
Optional NiMh Rechargeable battery kit	120 VAC for North America Only; charger, four NiMh batteries, AC & DC cords [Part # 020-0103]
Low Battery	Low battery indication with nominal 1 hour of operation left
Protection against misconnection	Over-voltage protection to 135 vrms (rated for 30 seconds) or 240 vrms (rated for 15 seconds)
Display	High contrast graphic liquid crystal display with 0.413” (10.5 mm) high digits

Read mA
334 Ranges and Resolution	0.00 to 52.00 mA Full Span OR -25.0 to 300.0% of 4-20 mA
334Plus Ranges and Resolution	0.000 to 52.000 mA Full Span OR -25.00 to 300.00% of 4-20 mA
Accuracy Below 24.01mA Above 24.00mA	≤ ± 0.05 % of 24.00mA (± 0.01mA) ≤ ± 0.05 % of 52.00mA (± 0.02mA)
Voltage burden	≤ 2V at 50 mA
Overload/Current limit protection	54 mA nominal
Battery life	≥ 125 Hours nominal ≥ 100 hrs with backlight on (334Plus)

Source/Power & Measure Two Wire Transmitters
334 Ranges and Resolution	0.00 to 24.00 mA Full Span or -25.0 to 125.0% of 4-20 mA
334Plus Ranges and Resolution	0.000 to 24.000 mA Full Span or -25.00 to 125.00% of 4-20 mA
Accuracy EZ Check(s) at 4 & 20mA* 0.0 to 24.00 mA	≤ ±0.025% of Span at 4 mA & 20 mA (± 0.005mA) ≤ ± 0.05% of 24.00mA Span (± 0.01mA)
Noise	≤ ± ½ Least Significant Digit
Temperature effect	≤ ± 0.005 %/°C of FS
Loop compliance voltage	≥ 24 DCV @ 20.00mA
Loop drive capability	1200 Ω at 20 mA for 15 hours nominal 950 Ω with Hart Resistor enabled (334Plus)
Battery life	Source and Power measure mode ≥ 30 hrs at 12 mA nominal; ≥ 25 hrs with backlight on (334Plus)

* These are internal calibrated cardinal reference points and accuracy is not defined or limited by display resolution

2-Wire Transmitter Simulation
Accuracy	Same as Source/Power & Measure
Voltage burden	≤ 2V at 20 mA
Overload/Current limit protection	24 mA nominal
Loop voltage limits	2 to 100 VDC (fuse-less protected from reverse polarity connections)
Battery life	≥ 125 hours nominal ≥ 100 hrs with backlight on (334Plus)

Voltage Read
Range and Resolution	-99.99 to +99.99 VDC Full Span (FS)
Accuracy	≤ ± 0.05 % of FS
Temperature effect	≤ ± 100 ppm/°C of FS
Input resistance	≥ 2 MΩ
Battery life	≥ 125 hours nominal ≥ 100 hrs with backlight on (334Plus)

Unless otherwise indicated all specifications are rated from a nominal 23 °C, 70 % RH for 1 year from calibration

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